/* Copyright 2008 Bas van den Berg
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef ITEMCONTAINER_H 
#define ITEMCONTAINER_H 

#include <string>
#include <deque>

namespace Chronos {

class MudItem;
class StringBuilder;

class ConstItemVisitor {
public:
    virtual ~ConstItemVisitor() {}
    virtual void handle(MudItem* item) = 0;
};

class ItemVisitor {
public:
    virtual ~ItemVisitor() {}
    virtual void handle(MudItem* item) = 0;
};


class ItemContainer {
public:
	ItemContainer() {}
    virtual ~ItemContainer();

    typedef std::deque<MudItem*> Items;
    typedef Items::const_iterator ItemsConstIter;
    typedef Items::iterator ItemsIter;

    virtual void addItem(MudItem* item);
    virtual void removeItem(const MudItem* item);
    MudItem* findItem(const std::string& name) const;
	const Items getItems() const;	// NOTE: returns COPY
    void visitItems(ConstItemVisitor& visitor) const;

    void serialize(StringBuilder& buffer) const;
protected:
    Items items;
private:
	ItemContainer(const ItemContainer&);
    ItemContainer& operator=(const ItemContainer&);
};

}

#endif

